package com.song.service.impl;


import com.song.dao.impl.GradeDaoImpl;
import com.song.service.GradeService;

import java.util.List;


public class GradeServiceImpl implements GradeService {
    @Override
    public List getGrade() {
        GradeDaoImpl gradeDao = new GradeDaoImpl();
        return gradeDao.getGrade();
    }
}
